# BeaverCheck Audit Report — https://oxforddictionaries.com **Date:** April 22, 2026 **URL:** https://oxforddictionaries.com **Overall Grade:** C (73/100) **Report:** https://beavercheck.com/results/0dd090b6-4ce6-49c7-ae0b-93b012e6577c ## Top Findings 1. **[CRITICAL]** Content-Security-Policy header is missing — Security > Security Headers 2. **[CRITICAL]** HSTS header is missing — Security > Security Headers 3. **[CRITICAL]** No Content-Security-Policy header found — Security > Content Security Policy 4. **[CRITICAL]** Page weighs 10.9 MB (9.2 MB transferred) — Performance > Page Weight Budget 5. **[CRITICAL]** 1 control(s) without accessible label — Accessibility > Form Accessibility --- ## Lighthouse Scores | Category | Score | |----------|-------| | Performance | 59 | | Accessibility | 88 | | Best Practices | 100 | | SEO | 100 | --- ## Security ### Security Headers (F — 20/100) *3 of 10 headers properly configured* - **[CRITICAL]** HSTS header is missing — Strict-Transport-Security forces browsers to use HTTPS, preventing downgrade attacks. Add the header with a max-age of at least 1 year. - **[PASS]** X-Content-Type-Options is properly configured - **[WARNING]** X-Frame-Options header is missing — This header prevents clickjacking by controlling who can embed your page in a frame. Set it to DENY or SAMEORIGIN. - **[WARNING]** Referrer-Policy header is missing — Controls how much referrer information is sent with requests. Set to 'strict-origin-when-cross-origin' or stricter. - **[WARNING]** Permissions-Policy header is missing — Controls which browser features (camera, microphone, geolocation) are allowed. Set it to restrict unused features. - **[CRITICAL]** Content-Security-Policy header is missing — CSP is the most important header for preventing XSS attacks. See the CSP section for detailed analysis. - **[WARNING]** Cross-Origin-Opener-Policy header is missing — COOP isolates your browsing context, preventing cross-origin side-channel attacks. Set to 'same-origin'. - **[WARNING]** Cross-Origin-Embedder-Policy header is missing — COEP prevents loading cross-origin resources without explicit permission. Required for SharedArrayBuffer and high-resolution timers. - **[PASS]** X-Powered-By header is not present - **[PASS]** Server header is present without version info ### Content Security Policy (F — 0/100) *No enforcing CSP policy found* - **[CRITICAL]** No Content-Security-Policy header found — CSP is the most effective defense against XSS attacks. Add a Content-Security-Policy header to restrict resource loading. ### TLS & Certificates (A+ — 100/100) *TLS 1.3, 7 checks passed* - **[PASS]** TLS 1.3 is used - **[PASS]** Strong cipher suite is used - **[INFO]** HTTP/2 is not negotiated — HTTP/2 provides multiplexing and header compression for better performance. - **[PASS]** Certificate is valid (expires in 78 days) - **[PASS]** Certificate chain has 2 certificates - **[PASS]** Certificate uses modern signature algorithm - **[PASS]** Certificate covers 1 domain(s) - **[PASS]** Certificate is issued by a trusted CA ### Cookie Security (A+ — 100/100) *No cookies set — no cookie security risks* - **[PASS]** No cookies set — no cookie security risks --- ## Advanced Security ### Subresource Integrity (F — 20/100) *0 of 19 external resources have SRI* - **[WARNING]** External script from cdn-ukwest.onetrust.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn-ukwest.onetrust.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External link from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from s0.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from cdn-ukwest.onetrust.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from v0.wordpress.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from languages.oup.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. - **[WARNING]** External script from stats.wp.com lacks integrity attribute — Without SRI, if this CDN is compromised, attackers could inject malicious code. ### JS Library Vulnerabilities (A+ — 100/100) *No known vulnerabilities* - **[PASS]** No known JavaScript library vulnerabilities detected ### Information Leakage (A+ — 100/100) *No exposures* - **[PASS]** security.txt is present — good practice - **[PASS]** No sensitive files exposed ### Email Security (D — 50/100) *DMARC: none* - **[WARNING]** DMARC policy is none — monitoring only — This only monitors, it doesn't block spoofed emails. Change to p=quarantine or p=reject. ### Permissions-Policy (D — 40/100) *No header set* - **[WARNING]** No Permissions-Policy header — Consider adding a Permissions-Policy header to restrict browser feature access from embedded content. ### CORS Configuration (B — 80/100) *No CORS headers* - **[PASS]** No CORS headers present — secure default --- ## Performance ### Page Weight Budget (F — 0/100) *9.2 MB transferred, 78 requests* - **[CRITICAL]** Page weighs 10.9 MB (9.2 MB transferred) - **[WARNING]** Images are 8.2 MB — compress or use modern formats — Convert images to WebP/AVIF and resize to display dimensions to reduce transfer size. - **[INFO]** Fonts are 322 KB — consider subsetting or using system fonts — Subset fonts to include only used characters, or switch to system font stacks. - **[INFO]** 78 HTTP requests - **[INFO]** Estimated 1.9 g CO2 per page load ### Third-Party Impact (D — 50/100) *100% third-party, 0 ms blocking* - **[WARNING]** Third-party code accounts for 100% of page weight (9.2 MiB of 9.2 MiB) - **[PASS]** Third-party blocking time is low (0 ms) ### Text Compression (A+ — 100/100) *All text resources are compressed* - **[PASS]** All text resources are compressed ### Image Optimization (B — 75/100) *23 images, 0 KB saveable* - **[PASS]** All images are well-optimized ### JS Execution Cost (D — 40/100) *2895ms total JS execution* - **[WARNING]** https://languages.oup.com/: 1961ms CPU time - **[WARNING]** Unattributable: 434ms CPU time - **[WARNING]** https://v0.wordpress.com/js/next/videopress-iframe...: 268ms CPU time - **[INFO]** https://cdn-ukwest.onetrust.com/scripttemplates/20...: 181ms CPU time - **[INFO]** https://cdn-ukwest.onetrust.com/scripttemplates/ot...: 52ms CPU time - **[WARNING]** Third-party scripts: 2895ms (100% of total) ### Font Loading (A+ — 100/100) *6 fonts (322 KB)* - **[INFO]** 6 font(s) use font-display: swap (FOUT risk but functional) ### JS Bundles (B — 80/100) *23 scripts, 61 KB unused* - **[WARNING]** https://cdn-ukwest.onetrust.com/scripttemplates/20...: 61 KB unused (55%) — Consider code splitting or tree shaking to reduce unused code. - **[INFO]** Total unused JavaScript: 61 KB ### Resource Caching (A+ — 100/100) *All resources properly cached* - **[PASS]** No caching issues found ### Critical Rendering Path (A+ — 100/100) *No render-blocking resources* - **[PASS]** No render-blocking resources detected ### Resource Hints (A+ — 100/100) *11 hints, 0 missing preconnects* - **[PASS]** Page uses 11 resource hint(s) ### Page Weight Inventory (D — 45/100) *78 resources · 9.2 MB · 61 KB savings available* - **[WARNING]** Page weight 8.2 MB over 1MB target - **[INFO]** ~61 KB of savings available - **[WARNING]** 77 third-party resources (100% of weight) - **[INFO]** 3 resources over 200KB ### Render-Blocking Resources (A+ — 100/100) *No render-blocking resources detected* - **[PASS]** No render-blocking resources detected in ### Third-Party Resources (A+ — 100/100) *No third-party resources detected* --- ## Content Quality ### Links (A — 93/100) *96 links checked, 94 healthy, 1 broken* - **[WARNING]** 94 of 96 links are healthy - **[WARNING]** Broken link: https://i0.wp.com — Found in . Returns HTTP 400. - **[INFO]** Long redirect chain: https://oed.com/ (5 hops) ### Mixed Content (A+ — 100/100) *No mixed content detected — all resources use HTTPS.* - **[PASS]** No mixed content detected — all resources use HTTPS ### Open Graph (B — 85/100) *Open Graph tags are partially configured — some improvements recommended.* - **[WARNING]** Missing og:image — The og:image tag provides a preview image for social sharing. - **[INFO]** og:title is short (16 characters) — Ideal length is 25–60 characters for social sharing previews. - **[INFO]** og:description is short (25 characters) — Ideal length is 55–200 characters for social sharing previews. ### Structured Data (A+ — 100/100) *1 JSON-LD block(s) found — structured data is well configured.* - **[PASS]** Custom type "CollectionPage" — unable to validate specific properties --- ## Infrastructure ### DNS Records (A+ — 100/100) *2 A records, 47 ms lookup* - **[PASS]** Resolves to 2 IPv4 address(es) - **[INFO]** No IPv6 (AAAA) records - **[PASS]** 4 nameserver(s) configured - **[PASS]** 1 mail exchanger(s) configured - **[INFO]** CAA records not checked — CAA record lookup requires a specialized DNS resolver. This check will be available in a future update. - **[PASS]** SPF record present in TXT - **[PASS]** DNS resolution time: 47 ms ### Redirect Chain (A — 90/100) *1 redirect(s), 602 ms total* - **[PASS]** Single redirect - **[INFO]** Redirect overhead: 602 ms total - **[INFO]** Cross-domain redirect detected ### IPv6 Readiness (C — 60/100) *No IPv6 support* - **[INFO]** No IPv6 (AAAA) records found — IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity. ### Crawlability (C — 65/100) *robots.txt present, sitemap with 0 URLs* - **[PASS]** robots.txt is present - **[PASS]** sitemap.xml is present - **[WARNING]** sitemap.xml contains invalid XML — Search engines may not be able to parse the sitemap. Fix XML validation errors. - **[WARNING]** sitemap.xml is empty — no URLs found — An empty sitemap provides no value. Add entries for your pages. - **[INFO]** robots.txt does not reference a sitemap — Add a 'Sitemap:' directive to robots.txt so search engines can discover your sitemap. ### URL Variants (A+ — 100/100) *www/non-www, trailing slash, HTTP→HTTPS* - **[PASS]** www/non-www redirect configured correctly (preferred: non-www) - **[PASS]** HTTP correctly 301-redirects to HTTPS ### Domain Intelligence (A+ — 100/100) *oxforddictionaries.com — via CSC Corporate Domains, Inc., 26 years, 1 months old, hosted on AWS* - **[PASS]** Domain registered until Jul 31, 2026 (3 months remaining) - **[INFO]** DNSSEC is not enabled — DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it. - **[PASS]** Registrar: CSC Corporate Domains, Inc. - **[WARNING]** Registrar lock is NOT enabled — The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers. - **[PASS]** Hosting: AWS --- ## Compliance ### WCAG Compliance (A+ — 100/100) *No testable criteria* ### Cookie Consent & Privacy (B — 80/100) *OneTrust detected* - **[WARNING]** No privacy policy link detected — A privacy policy page is recommended for transparency and may be legally required. - **[INFO]** No terms of service link detected - **[PASS]** Consent banner detected (OneTrust) - **[INFO]** This is an automated check, not legal advice — BeaverCheck detects technical indicators of consent management. This does not constitute a legal compliance assessment. Consult a privacy professional for GDPR/CCPA compliance. ### Language & i18n (A — 90/100) *Lang attribute present* - **[PASS]** attribute is present - **[PASS]** value is valid - **[INFO]** No Content-Language HTTP header - **[INFO]** Language signals are inconsistent — The attribute and Content-Language header should agree. ### Readability & Typography (A+ — 100/100) *Font sizes and tap targets checked* ### Viewport Configuration (A+ — 100/100) *Viewport properly configured* - **[PASS]** Viewport meta tag is present - **[PASS]** width=device-width is set - **[PASS]** User zooming is allowed ### Third-Party Trackers (C — 55/100) *1 trackers detected* - **[INFO]** 1 third-party trackers detected — Found 1 analytics, 0 advertising, 0 marketing, 0 tag manager trackers. - **[WARNING]** Trackers detected but no cookie policy found — This page loads 1 trackers but no cookie policy was detected. GDPR requires disclosure when using tracking cookies. - **[WARNING]** Trackers detected but no privacy policy found — Most data protection regulations require a privacy policy when collecting user data via trackers. ### Cookie & Tracker Inventory (A+ — 100/100) *0 cookies · 1 trackers · 0 pre-consent* - **[INFO]** 1 third-party tracker(s) detected on page --- ## Legal ### Legal Page Ecosystem (B — 75/100) *3 of 7 expected legal pages detected* - **[PASS]** Privacy Policy detected — Found at https://corp.oup.com/privacy-policy/, linked from footer. - **[PASS]** Terms of Service detected — Found at https://languages.oup.com/legal-notice/, linked from footer. - **[PASS]** Cookie Policy detected — Found at https://global.oup.com/cookiepolicy, linked from footer. - **[INFO]** Accessibility Statement not detected — No link matching common Accessibility Statement URL patterns or link text was found. Most websites are expected to have a Accessibility Statement, especially those collecting user data. - **[INFO]** DMCA / Copyright Notice not detected — No link matching common DMCA / Copyright Notice URL patterns or link text was found. Most websites are expected to have a DMCA / Copyright Notice, especially those collecting user data. - **[INFO]** Refund / Returns Policy not detected — No link matching common Refund / Returns Policy URL patterns or link text was found. Most websites are expected to have a Refund / Returns Policy, especially those collecting user data. - **[INFO]** Acceptable Use Policy not detected — No link matching common Acceptable Use Policy URL patterns or link text was found. Most websites are expected to have a Acceptable Use Policy, especially those collecting user data. ### Copyright Notice (A+ — 100/100) *© 2026 Oxford University Press* - **[PASS]** Copyright notice is up to date — Copyright notice is up to date: © 2026 Oxford University Press - **[PASS]** Copyright holder: Oxford University Press ### Regulatory Indicators *1 regulatory indicator(s) detected* - **[INFO]** This is a technical scan, not a legal assessment — BeaverCheck detects technical indicators that may suggest regulatory relevance. This is not a compliance audit and should not be relied upon for legal decisions. Consult qualified legal counsel for compliance assessments. - **[INFO]** GDPR indicators detected (strong confidence) — Indicators suggesting GDPR may be relevant: Consent management platform detected: onetrust.com; Privacy policy page found. EU General Data Protection Regulation — governs collection and processing of personal data of EU residents. ### Third-Party Data Sharing *0 third-party service(s) detected* - **[INFO]** Data inventory for transparency purposes — This inventory identifies third-party services that receive data from your site visitors. Under regulations like GDPR (Article 30), maintaining records of data processing activities is commonly considered a best practice. This automated scan provides a starting point — it may not capture all data flows. - **[INFO]** No recognized third-party data-sharing services detected — This page does not appear to load external tracking, analytics, or advertising scripts. ### Compliance Badges (B — 70/100) *1 compliance badge(s) detected* - **[PASS]** TRUSTe / TrustArc badge detected — Found via body text: 'truste'. Note: the presence of a badge does not verify the certification is current or valid. --- ## Availability ### CDN & Delivery (D — 50/100) *No CDN detected* - **[WARNING]** No CDN detected — A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them. ### HTTP Caching (D — 40/100) *no-store (uncacheable)* - **[INFO]** Cache-Control: no-store prevents all caching — Intentional for dynamic content, but increases server load for every page view. - **[INFO]** No ETag or Last-Modified header — Conditional requests (304 Not Modified) are not possible without validators. ### Transport Security (B — 75/100) *HTTP/3, HSTS, and TLS version analysis* - **[INFO]** HTTP/3 (QUIC) not advertised — HTTP/3 eliminates head-of-line blocking. If your CDN supports it, consider enabling it. - **[WARNING]** Missing Strict-Transport-Security header — HSTS tells browsers to only use HTTPS, preventing SSL stripping attacks. - **[PASS]** TLS 1.3 in use (fastest handshake, 1-RTT) --- ## Accessibility ### Landmark Structure (C — 60/100) *6 landmarks* - **[CRITICAL]** No
landmark found — Screen reader users cannot quickly navigate to the primary content. Wrap your main content in
. - **[PASS]** 4